cngf-pf

continuum model for granular flows with pore-pressure dynamics
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shear_flux.1 (1232B)


      1 .Dd $Mdocdate$
      2 .Dt SHEAR_FLUX 1
      3 .Os
      4 .Sh NAME
      5 .Nm shear_flux
      6 .Nd determines flux from profile of shear velocities
      7 .Sh SYNOPSIS
      8 .Nm
      9 .Op Ar file ...
     10 .Sh DESCRIPTION
     11 The
     12 .Nm
     13 utility outputs the cumulative sediment shear flux from a profile
     14 of positions and shear velocities.
     15 .Nm
     16 expects that the first column of input is a list of positions, and
     17 the second column is a list of shear velocities.  All other columns
     18 are discarded.  Input can be supplied through stdin or from a single
     19 file.
     20 .Pp
     21 The output is the cumulative sediment flux with units square meters
     22 per second (m^2/s).
     23 .Sh EXAMPLES
     24 The normal use is to pipe the output of
     25 .Xr 1d_fd_simple_shear 1
     26 into
     27 .Nm :
     28 .Pp
     29 .Dl $ 1d_fd_simple_shear -n 10e3 | shear_flux
     30 .Dl 6.1943203051999493e-06
     31 .Pp
     32 .Dl $ 1d_fd_simple_shear -n 100e3 | shear_flux
     33 .Dl 0.0010127845066767284
     34 .Pp
     35 .Dl $ 1d_fd_simple_shear -F -e 600 -I 200 sim
     36 .Dl $ shear_flux sim.output*.txt
     37 .Dl 0.0017711059751388718
     38 .Dl 0.0017971161104479135
     39 .Dl 0.0017971161104479135
     40 .Sh EXIT STATUS
     41 .Pp
     42 .Bl -tag -compact
     43 .It 0
     44 successful exit
     45 .It 1
     46 unspecified error
     47 .It 2
     48 .Xr pledge 2
     49 error (OpenBSD only)
     50 .Sh SEE ALSO
     51 .Xr 1d_fd_simple_shear 1
     52 .Xr max_depth_simple_shear 1
     53 .Sh AUTHORS
     54 .An Anders Damsgaard Aq Mt anders@adamsgaard.dk